??? ???? ????? ???? ?????

???? ??? ?????? ?????、 ????? ???? ????? ????? ????? ?????? ?????? ???? ???????? ??????? ???????? ?????? ????????.

?????? ??????? ????????

• ?????? ????????： 1 ???(bar) = 100 ???? ??????(kPa) = 0.987 ????? ????? ???????(atm)
• ???? ????????? ?? ???????：1 MPa = 10 bar ≈ 145.04 PSI ( ??? ????? ??? ???? ?????)
• ??????? ??????? ??????： 1 ??? ???(mbar) = 1 ??????????(hPa) = 0.750 ?? ????(mmHg)

???????????? ??????? ???????

1. ???????? ????????: ??????? ????????????? ????? ???? ??? ???? ????????
2. ?????? ??????? ??????: ????? ????? ????? ?????
3. ????? ?????????: ????? ????? ???????? ?????????

??????? ?????????

1. ???? ?????? ?? ???? ???????.
2. ??? ?????? ??????? ??????? ?????????
3. ???? ?????? ???????? ?????? ????? ???????

?????????： ????? ??? ??????? ??? ??????? ?????? ISO 31-3? 1 ????? ????? ??????? 1(atm) ????? ? 101.325 ???? ??????.